Thanks dignlivn. I agree that this is a beautiful country. I have lived in all parts of it, included Svalbard

If you choose the 2826/12 and 4S LiPo success is guaranteed.
Using the backmount you can use "spacers" to get the perfect distance from the firewall. Either buy a spacing kit or cut some kind of tube which suits. If so use small metal-discs to ensure thee tube wont crush the firewall over time.

Every model-flier have to have at least one Cub in their hangar